1.5" NH (NST) Female x 1" NPSH Male Adapter Aluminum FM15F15NYFD this is the best bang

this is the best bang for your buck

If you have any questions about this adapter

Industrial & Fire Grade 3” NH (NST) x 3

This adapter let's you hook your fire hose into standard straight pipe threads

Using old fire hose for battle ropes is just as effective as the real thing

1.5" NH (NST) Female x 1" NPSH Male Adapter Aluminum FM15F15NYFD this is the best bangSpecifications Female Side 1 1. 5 NH (NST) Female (National Hose National Standard Thread) Male Side 2 1 NPSH Male (National Pipe Straight Hose) Working Pressure 300PSI Max Test Pressure 1000PSI Max Material T 6061 Aluminum (Aircraft Grade) Finishing Anodized (99. 9% Lead Free) NFPA Standards 1963, 4. 12, 5. 1 5. 6. 4 (Corrosion Resistance) Military Standards MIL A 8625 Type III, Class 1 Industrial Standards International ASTM B221 UL Labs Standards